1 Argentina:
The erosion results from inadequate flood controls and improper land use practices.
2 Bolivia:
The soil erosion from overgrazing and poor cultivation methods, including slash-and-burn agriculture.
3 Brazil:
There are air and water pollution in Rio de Janeiro, Sao Paulo, and several other large cities.
4 Chile:
The water pollution from raw sewage.
5 Colombia:
The soil damage from overuse of pesticides.
6 Guyana:
The water pollution from sewage and agricultural and industrial chemicals
7 Peru
The pollution of rivers and coastal waters from municipal and mining wastes
8 Suriname:
The deforestation as foreign producers obtain timber concessions.
9 Uruguay
The substantial pollution from Brazilian industry along border.
10 Venezuela
The urban and industrial pollution, especially along the Caribbean coast.
The erosion results from inadequate flood controls and improper land use practices.
2 Bolivia:
The soil erosion from overgrazing and poor cultivation methods, including slash-and-burn agriculture.
3 Brazil:
There are air and water pollution in Rio de Janeiro, Sao Paulo, and several other large cities.
4 Chile:
The water pollution from raw sewage.
5 Colombia:
The soil damage from overuse of pesticides.
6 Guyana:
The water pollution from sewage and agricultural and industrial chemicals
7 Peru
The pollution of rivers and coastal waters from municipal and mining wastes
8 Suriname:
The deforestation as foreign producers obtain timber concessions.
9 Uruguay
The substantial pollution from Brazilian industry along border.
10 Venezuela
The urban and industrial pollution, especially along the Caribbean coast.